function emUp(dest){
  var mailMk = "@";
  var mlSvrY = "netscape";
  var mlSvrW = "yahoo";
  var mlDomY = ".net";
  var mlDomW = ".co.jp";
  destY = "geeyossy";
  destW = "untitled_ctl";
  if(dest == "Y"){
    location.href="mai"+"lto:"+destY+mailMk+mlSvrY+mlDomY;
  } else {
    location.href="mai"+"lto:"+destW+mailMk+mlSvrW+mlDomW;
  }
}